package com.xxxx.server.config.security;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.*;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spi.service.contexts.SecurityContext;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.ArrayList;
import java.util.List;

/**
 * @Author:王亚栋
 * @Date: 2023/6/12 下午10:14
 * @Version:1.0
 * Swagger2配置类
 */
@Configuration
@EnableSwagger2
public class Swagger2Config {

    @Bean
    public Docket createRestApi(){

        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.xxxx.server.controller"))
                .paths(PathSelectors.any())
                .build()
                .securityContexts(securityContexts())
                .securitySchemes(securitySchemes());
    }


    private ApiInfo apiInfo(){

        return new ApiInfoBuilder()
                .title("云E办接口文档")
                .description("云E办接口文档")
                .contact(new Contact("王亚栋","http:localhost:8081/doc.html","1966@qq.com"))
                .version("1.0")
                .build();
    }

    private List<ApiKey> securitySchemes(){

        //设置请求头信息
        List<ApiKey> result = new ArrayList<>();

        ApiKey apiKey = new ApiKey("Authorization","Authorization","Header");

        result.add(apiKey);

        return result;
    }

    private List<SecurityContext> securityContexts(){

        //设置需要认证的路径
        List<SecurityContext> result = new ArrayList<>();

        result.add(getContextByPath("/hello/.*"));

        return result;
    }

    private SecurityContext getContextByPath(String pathRegex) {

        return SecurityContext.builder()
                .securityReferences(defaultAuth())
                .forPaths(PathSelectors.regex(pathRegex))
                .build();
    }

    private List<SecurityReference> defaultAuth() {

        List<SecurityReference> result = new ArrayList<>();

        AuthorizationScope authorizationScope = new AuthorizationScope("global",
                "accessEverything");

        AuthorizationScope[] authorizationScopes = new AuthorizationScope[1];

        authorizationScopes[0] = authorizationScope;

        result.add(new SecurityReference("Authorization",authorizationScopes));

        return result;
    }
}
